*{
    margin: 0px;
    padding: 0;
}
li{
    list-style-type: none;
}
a{
    text-decoration: none;
}
h1,h2,h3,h4,h5,h6{
    font-size: medium;
    font-weight: normal;
}
em,i{
    font-style: normal;
}
strong,b{
    font-weight: normal;
}
body{
    font-size: 14px;
}
.clearfix::after{
    content: "";
    height: 0;
    clear: both;
    overflow: hidden;
    display: block;
    visibility: hidden;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
img{
    vertical-align: middle;
}